{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["else", "state or province of headquarters", "subsidiaries"], "input": "Although there are several versions of the circumstances the most extensive account is derived from a letter written by  Abu Hafs al-Urduni  who assumed command of the  Arab Mujahideen in Chechnya  ."}
{"else": [], "state or province of headquarters": [], "subsidiaries": []}